Contents 

Welcome to the ShockClock
1- Introduction
1.1 Ultrasonic Transducer Principles
1.2 Standard vs. Pro Kit
1.3 Dirt vs. Street
1.4 Accessories
1.5 Computer Requirements
1.6 ShockClock Specs
1.7 General Safety
1.8 Warranty and Copyrights
1.9 Technical Support & Contact
2 - Installing PC Software
2.1 Uninstall Prior ShockClock Software
2.2 Install ShockClock Software
2.3 Installing a USB/Serial Adapter
2.4 Determine the COM Port Number
2.5 Perform a Trial Download
3 - Hardware
3.0 Hardware Overview
3.1 Dirt Bike Mounting
3.1.1 Front Transducer Mounting - Dirt
3.1.2 Rear Mounting - Laid-Down - Dirt
3.1.2.1 Laid-Down Transducer Geometry
3.1.3 Rear Mounting - Vertical - Dirt
3.1.4 ShockClock Mounting - Dirt
3.2 Road Race Mounting
3.2.0 Road Race Mounting Intro
3.2.1 Front Transducer - Conventional - RR
3.2.2 Front Transducer - Upside-Down - RR
3.2.3 Rear Transducer Mounting - RR
3.2.4 ShockClock Mounting - RR
3.3 Mountain Bike Mounting
3.3.0 Mountain Bike Mounting Intro
3.3.1 Front Transducer - MB
3.3.2 Rear Transducer - MB
3.3.3 ShockClock Mounting - MB
3.4 Adjusting the Tubes
3.5 Shortening the Tubes
3.6 Transducer Maintenance
4 - Using the ShockClock
4.1 Operate the ShockClock
4.2 Testing Tips
4.3 ShockClock Problems
5 - PC Software Basics
5.1 Startup Screen
5.2 Preferences
5.3 Downloading
5.4 Opening Files
5.5 Closing Files
5.6 File Information
5.7 Import Older Files
5.8 Export to Excel
5.9 Graph Basics
5.10 Set the Zero Point
5.11 Select Data Range
5.12 Notes
6 - Analysis
6.0 Analysis Intro
6.1 Single File Analysis
6.1.1 Bottoming (& Travel)
6.1.2 Travel & Velocity Overview
6.1.3 Waveform Analysis
6.1.4 Rebound Push Test
6.2 Comparing Files
6.2.1 Settings vs. Results
6.2.2 File 1 vs File 2
6.2.3 Travel Histogram
6.2.4 Velocity Histograms
6.3 Analysis Procedure
6.3.1 Troubleshooting
6.3.2 Analysis - Dirt - PDA
6.3.3 Analysis - Road Race
6.3.4 Analysis - Mountain Bike
7 - Measuring Static Sag
7.1 The Sag Concept
7.2 Sag Procedure
7.3 Calculating Sag
7.4 Sag Guidelines
8 - Leverage Ratio
8.1 The Leverage Ratio Concept
8.2 Mounting the Transducers
8.3 Leverage Ratio Measurement
8.4 Creating a Leverage Ratio File
8.5 Lowering or Raising a Bike
8.6.1 Leverage Ratio Comparison
8.6.2 Rear Wheel Force Comparison
8.7 Convert a ShockClock Recording
9 - Convert to Vertical - Dirt
9.0 Convert to Vertical Overview
9.1 Laid-Down Transducer Mounting
9.2 Laid-Down Transducer Geometry
9.3 Convert Data to Vertical
10 - PDA Help Guide - Dirt
PDA Getting Started
PDA About the ShockClock
PDA Tips
PDA Installing Software
PDA Create a Trial Recording
PDA Hardware
PDA Dirt Bike Mounting
PDA Front Transducer Mounting
PDA Rear Laid-Down Mounting
PDA Laid-Down Transducer Geometry
PDA Mountain Bike Mounting
PDA Front Mountain Bike
PDA Rear Mountain Bike
PDA Rear MB Laid-Down Geometry
PDA Operate the ShockClock
PDA Adjusting the Tubes
PDA Shortening the Tubes
PDA Transducer Maintenance
PDA Accessories
PDA Software
PDA Prefs
PDA Downloading
PDA Opening a File
PDA View Results
PDA Graph
PDA Peaks
PDA Settings & Notes
PDA File 1 vs File 2
PDA Closing Files
PDA Synchronizing Files with a PC
PDA Technical
PDA ShockClock Problems
PDA Technical Support & Contact
PDA ShockClock Specs
PDA Data Analysis
PDA Dirt Analysis
Glossary
Glossary of Software
Glossary Suspension Hardware
Troubleshooting Glossary

Welcome To ShockClock

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1.4 Accessories
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> MSDC 02PDA - PDA Download Cable & Software License (available from Race Tech - $74.99)


> USB/Serial Adapter Cable - PC Only

A USB to Serial Adapter cable is available for computers without a serial port.  

 - USB/Serial Adapter  MSDA 01  $39.99

 


> Complete Transducer Assemblies 

Standard Carbon-Carbon Style (Inner and Outer Tubes are Carbon Fiber)

(includes Transducer Head but without clamps)

 - 15” MX                   - MSTA 62515 - $159.99

 - 8” MX Laid-Down   - MSTA 62508 - $159.99

 - 6” RR                      - MSTA 62506 - $159.99

 

Control Rod Style Transducer Assemblies (used on front forks only - no side loading allowed)

 - 9" Mountain Bike Front   - MSTA R62509 - $139.99

 - 7" Road Race Front        - MSTA R62507 - $139.99

 


> Replacement Wave-Guide Tubes

The Wave-Guide Tubes can be replaced individually or as complete sets.  If you plan to test both dirt and street bikes, other vehicles like minis or ATVs, etc., purchase extra tube sets and cut them to fit other applications (see 3.5 Shortening the Tubes).

 

  15” Travel - MX

  • Outer Tube MX - MSWG 62515 - $54.99
  • Inner Tube MX - MSWG 50015 - $49.99
  • Tube Set MX - MSWA 62515 - $104.99

 

  8” Travel - MX Laid-Down

  • Outer Tube MXLD - MSWG 62508 - $54.99
  • Inner Tube MXLD - MSWG 50008 - $49.99
  • Tube Set MXLD - MSWA 62508 - $104.99

 

  6” Travel - Road Race

  • Outer Tube RR - MSWG 62506 -  $54.99
  • Inner Tube RR - MSWG 50006 - $49.99
  • Tube Set RR - MSWA 62506 - $104.99

 

  9” Travel Control Rod Type - Mountain Bike Front

  • Outer Tube MX - MPWG 62513 - $29.99
  • Tube Set MX - MSWA R62509 - $84.99

 

  7” Travel Control Rod Type - Road Race Front

  • Outer Tube MX - MPWG 62511 - $29.99
  • Tube Set MX - MSWA R62507 - $84.99

 


> Transducer Head

 - Transducer Head 5/8" - MSTH 62501 - $129.99

 


> Wave-Guide Clamps

 - Clamp Assy 5/8” - MSCL 62501 - $19.99

 - Clamp Assy 1/2” - MSCL 50001 - $19.99

 


> Remote Record Switch

The Remote Record Switch included in the Pro Kit can be purchased separately.

 - Remote Record Switch (May 2004+) - MSRS 03  $54.99

 - Remote Record Switch (pre May 2004) - MSRS 02  $64.99

 

 - ShockClocks prior to May 2004 require MSRS 02.  

 - ShockClocks after May 2004 can use either switch.  

 - Any combination of early and late must use the MSRS 02 switch.

 

> Note for earlier ShockClocks:  ShockClocks prior to 2004 may require Remote Record Switch Adapters.  These use “power jack” style connectors.  Call for information.

 


> Leverage Ratio Analysis Kit 

For ShockClock Pro Owners.  Allows rapid generation of Leverage Ratio Curves and Rear Wheel Force Curves.  This software can convert a rear wheel recording into an “as if recorded at the Shock”.  Kit includes mounting hardware and a special Leverage Ratio Wave-Guide Tube.

 

 - Leverage Ratio Kit - MSLR 01 - $249.99

 

 - Note: LR Kit requires two ShockClocks, two Transducers, and a Remote Record Switch.  These are included in Pro Kits.  Standard ShockClock owners can purchase these items separately.